HISTORIC US HIGHWAY 287

Historic length in Idaho

13 miles

Termini in Idaho

1965-1966

Targhee Pass

Reynolds Pass

MULTIPLEXES

US 20

Targhee Pass

(east of Henrys Lake)

US 191

Targhee Pass

(east of Henrys Lake)

IDAHO HIGHWAY 87

Length

9 miles

Termini

1966-present

(east of Henrys Lake)

Reynolds Pass

NOTES

In 1965, US 287 was extended north to Montana. The original alignment briefly entered Idaho. However, in 1966, US 287 was rerouted so that it did not enter Idaho, and the segment which was not multiplexed with US 20/191 was renumbered as Idaho 87.

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